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<a href="qlog_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/******************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * qLibc</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Copyright (c) 2010-2015 Seungyoung Kim.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * All rights reserved.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *    this list of conditions and the following disclaimer.</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> *    this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *    and/or other materials provided with the distribution.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"></span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">/**</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * @file qlog.c Rotating file logger object.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> *</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * qlog implements a auto-rotating file logger.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> *</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> *   // create a daily-rotating log file.</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> *   qlog_t *log = qlog(&quot;/tmp/dailylog-%Y%m%d.err&quot;, 0644, 86400, false);</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> *   if(log == NULL) return;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> *</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> *   // screen out.</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> *   log-&gt;duplicate(log, stdout, true);</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> *</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *   // write logs.</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> *   log-&gt;write(log, &quot;Service started.&quot;);</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *   log-&gt;writef(log, &quot;Server Id: %d&quot;, 1);</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> *</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *   // close and release resources.</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *   log-&gt;free(log);</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="preprocessor">#ifndef DISABLE_QLOG</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="preprocessor">#include &lt;stdarg.h&gt;</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="preprocessor">#include &lt;unistd.h&gt;</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#include &lt;time.h&gt;</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="preprocessor">#include &lt;sys/stat.h&gt;</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="preprocessor">#include &quot;qinternal.h&quot;</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="preprocessor">#include &quot;utilities/qstring.h&quot;</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="preprocessor">#include &quot;extensions/qlog.h&quot;</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a1d9678a766dbbe0cf4863296588a70ce">write_</a>(qlog_t *log, <span class="keyword">const</span> <span class="keywordtype">char</span> *str);</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a0f1c08e4e0616731b8c5be87a8752f72">writef</a>(qlog_t *log, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, ...);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a3c66d4096cbaac34db4659e04a0d6335">duplicate</a>(qlog_t *log, FILE *outfp, <span class="keywordtype">bool</span> flush);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a9753872b3edbc89389d22688fdc0afc2">flush_</a>(qlog_t *log);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="qlog_8c.html#a58ed43ff476576586b46c4f6744f1fd2">free_</a>(qlog_t *log);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">// internal usages</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="keyword">static</span> <span class="keywordtype">bool</span> _real_open(qlog_t *log);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment"></span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">/**</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"> * Open ratating-log file</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment"> *</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment"> * @param filepathfmt     filename format. formatting argument is same as</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment"> *                        strftime()</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment"> * @param mode            new file mode. 0 for system default</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"> * @param rotateinterval  rotating interval seconds, set 0 to disable rotation</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment"> * @param options         combination of options.</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment"> *</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment"> * @return a pointer of qlog_t structure</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment"> *</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment"> *  rotateinterval is not relative time. If you set it to 3600, log file will be</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment"> *  rotated at every hour. And filenameformat is same as strftime(). So If you</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment"> *  want to log with hourly rotating, filenameformat must be defined including</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment"> *  hour format like &quot;/somepath/xxx-%Y%m%d%H.log&quot;. You can set it to</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment"> *  &quot;/somepath/xxx-%H.log&quot; for daily overrided log file.</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment"> *</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment"> *   Available options:</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"> *   - QLOG_OPT_THREADSAFE - make it thread-safe.</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment"> *   - QLOG_OPT_FLUSH -  flush out buffer everytime.</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment"> *</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment"> *   qlog_t *log = qlog(&quot;/tmp/qdecoder-%Y%m%d.err&quot;, 0644, 86400, QLOG_OPT_THREADSAFE);</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment"> *   log-&gt;free(log);</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment"> */</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="qlog_8c.html#ad58c2d6cf7daa2976934150e69c83498">  105</a></span>qlog_t *<a class="code hl_function" href="qlog_8c.html#ad58c2d6cf7daa2976934150e69c83498">qlog</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *filepathfmt, mode_t mode, <span class="keywordtype">int</span> rotateinterval,</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>             <span class="keywordtype">int</span> options) {</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    qlog_t *log;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>    <span class="comment">// malloc qlog_t structure</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    log = (qlog_t *) calloc(1, <span class="keyword">sizeof</span>(qlog_t));</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>    <span class="keywordflow">if</span> (log == NULL) {</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        errno = ENOMEM;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>    }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>    <span class="comment">// set up the structure.</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    <a class="code hl_function" href="qstring_8c.html#a24dcde4b707ed664b3962e1bf400de0f">qstrcpy</a>(log-&gt;filepathfmt, <span class="keyword">sizeof</span>(log-&gt;filepathfmt), filepathfmt);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    log-&gt;mode = mode;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>    <span class="keywordflow">if</span> (rotateinterval &gt; 0)</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        log-&gt;rotateinterval = rotateinterval;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    <span class="comment">// handle options</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>    <span class="keywordflow">if</span> (options &amp; QLOG_OPT_THREADSAFE) {</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>        Q_MUTEX_NEW(log-&gt;qmutex, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>        <span class="keywordflow">if</span> (log-&gt;qmutex == NULL) {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>            errno = ENOMEM;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>            free(log);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>        }</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>    }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>    <span class="keywordflow">if</span> (options &amp; QLOG_OPT_FLUSH) {</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>        log-&gt;logflush = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>    }</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>    <span class="comment">// try to open the log file.</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>    <span class="keywordflow">if</span> (_real_open(log) == <span class="keyword">false</span>) {</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>        Q_MUTEX_DESTROY(log-&gt;qmutex);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span>        free(log);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>    }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>    <span class="comment">// member methods</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>    log-&gt;write = <a class="code hl_function" href="qlog_8c.html#a1d9678a766dbbe0cf4863296588a70ce">write_</a>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    log-&gt;writef = <a class="code hl_function" href="qlog_8c.html#a0f1c08e4e0616731b8c5be87a8752f72">writef</a>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>    log-&gt;duplicate = <a class="code hl_function" href="qlog_8c.html#a3c66d4096cbaac34db4659e04a0d6335">duplicate</a>;</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>    log-&gt;flush = <a class="code hl_function" href="qlog_8c.html#a9753872b3edbc89389d22688fdc0afc2">flush_</a>;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>    log-&gt;free = <a class="code hl_function" href="qlog_8c.html#a58ed43ff476576586b46c4f6744f1fd2">free_</a>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>    <span class="keywordflow">return</span> log;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>}</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment"></span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">/**</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment"> * qlog-&gt;write(): Log messages</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment"> *</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment"> * @param log       a pointer of qlog_t</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment"> * @param str       message string</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment"> *</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment"> * @return true if successful, otherewise returns false</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment"> */</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="qlog_8c.html#a1d9678a766dbbe0cf4863296588a70ce">  160</a></span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a1d9678a766dbbe0cf4863296588a70ce">write_</a>(qlog_t *log, <span class="keyword">const</span> <span class="keywordtype">char</span> *str) {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>    <span class="keywordflow">if</span> (log == NULL || log-&gt;fp == NULL)</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>    Q_MUTEX_ENTER(log-&gt;qmutex);</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    <span class="comment">/* duplicate stream */</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>    <span class="keywordflow">if</span> (log-&gt;outfp != NULL) {</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>        fprintf(log-&gt;outfp, <span class="stringliteral">&quot;%s\n&quot;</span>, str);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>        <span class="keywordflow">if</span> (log-&gt;outflush == <span class="keyword">true</span>)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>            fflush(log-&gt;outfp);</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>    }</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>    <span class="comment">/* check if log rotation is needed */</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>    <span class="keywordflow">if</span> (log-&gt;nextrotate &gt; 0 &amp;&amp; time(NULL) &gt;= log-&gt;nextrotate) {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>        _real_open(log);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>    }</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>    <span class="comment">/* log to file */</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>    <span class="keywordtype">bool</span> ret = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>    <span class="keywordflow">if</span> (fprintf(log-&gt;fp, <span class="stringliteral">&quot;%s\n&quot;</span>, str) &gt;= 0) {</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>        <span class="keywordflow">if</span> (log-&gt;logflush == <span class="keyword">true</span>)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>            fflush(log-&gt;fp);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>        ret = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    }</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    Q_MUTEX_LEAVE(log-&gt;qmutex);</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>}</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment"></span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">/**</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment"> * qlog-&gt;writef(): Log messages</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment"> *</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment"> * @param log       a pointer of qlog_t</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment"> * @param format    messages format</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment"> *</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment"> * @return true if successful, otherewise returns false</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment"> */</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"><a class="line" href="qlog_8c.html#a0f1c08e4e0616731b8c5be87a8752f72">  199</a></span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a0f1c08e4e0616731b8c5be87a8752f72">writef</a>(qlog_t *log, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, ...) {</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    <span class="keywordflow">if</span> (log == NULL || log-&gt;fp == NULL)</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>    <span class="keywordtype">char</span> *str;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>    DYNAMIC_VSPRINTF(str, format);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>    <span class="keywordflow">if</span> (str == NULL)</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span> </div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>    <span class="keywordtype">bool</span> ret = <a class="code hl_function" href="qlog_8c.html#a1d9678a766dbbe0cf4863296588a70ce">write_</a>(log, str);</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>    free(str);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>}</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment"></span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment">/**</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment"> * qlog-&gt;duplicate(): Duplicate log string into other stream</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment"> *</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment"> * @param log       a pointer of qlog_t</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment"> * @param fp        logging messages will be printed out into this stream.</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment"> *                  set NULL to disable.</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="comment"> * @param flush     set to true if you want to flush everytime duplicating.</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="comment"> *</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment"> * @return true if successful, otherewise returns false</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment"> *</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment"> *   log-&gt;duplicate(log, stdout, true); // enable console out with flushing</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment"> *   log-&gt;duplicate(log, stderr, false);    // enable console out</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment"> *   log-&gt;duplicate(log, NULL, false);  // disable console out (default)</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment"> */</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"><a class="line" href="qlog_8c.html#a3c66d4096cbaac34db4659e04a0d6335">  230</a></span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a3c66d4096cbaac34db4659e04a0d6335">duplicate</a>(qlog_t *log, FILE *outfp, <span class="keywordtype">bool</span> flush) {</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    <span class="keywordflow">if</span> (log == NULL)</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    Q_MUTEX_ENTER(log-&gt;qmutex);</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>    log-&gt;outfp = outfp;</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    log-&gt;outflush = flush;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>    Q_MUTEX_LEAVE(log-&gt;qmutex);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>}</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment"></span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">/**</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment"> * qlog-&gt;flush(): Flush buffered log</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment"> *</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment"> * @param log       a pointer of qlog_t</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment"> *</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment"> * @return true if successful, otherewise returns false</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment"> */</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="qlog_8c.html#a9753872b3edbc89389d22688fdc0afc2">  249</a></span><span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="qlog_8c.html#a9753872b3edbc89389d22688fdc0afc2">flush_</a>(qlog_t *log) {</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>    <span class="keywordflow">if</span> (log == NULL)</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span> </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    <span class="comment">// only flush if flush flag is disabled</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    Q_MUTEX_ENTER(log-&gt;qmutex);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    <span class="keywordflow">if</span> (log-&gt;fp != NULL &amp;&amp; log-&gt;logflush == <span class="keyword">false</span>)</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>        fflush(log-&gt;fp);</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    <span class="keywordflow">if</span> (log-&gt;outfp != NULL &amp;&amp; log-&gt;outflush == <span class="keyword">false</span>)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>        fflush(log-&gt;outfp);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>    Q_MUTEX_LEAVE(log-&gt;qmutex);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>}</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment"></span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="comment">/**</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment"> * qlog-&gt;free(): Close ratating-log file &amp; de-allocate resources</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment"> *</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment"> * @param log       a pointer of qlog_t</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment"> */</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="qlog_8c.html#a58ed43ff476576586b46c4f6744f1fd2">  269</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="qlog_8c.html#a58ed43ff476576586b46c4f6744f1fd2">free_</a>(qlog_t *log) {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>    <span class="keywordflow">if</span> (log == NULL)</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>        <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>    <a class="code hl_function" href="qlog_8c.html#a9753872b3edbc89389d22688fdc0afc2">flush_</a>(log);</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>    Q_MUTEX_ENTER(log-&gt;qmutex);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>    <span class="keywordflow">if</span> (log-&gt;fp != NULL) {</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>        fclose(log-&gt;fp);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>        log-&gt;fp = NULL;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>    }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    Q_MUTEX_LEAVE(log-&gt;qmutex);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    Q_MUTEX_DESTROY(log-&gt;qmutex);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>    free(log);</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>}</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="keyword">static</span> <span class="keywordtype">bool</span> _real_open(qlog_t *log) {</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>    <span class="keyword">const</span> time_t nowtime = time(NULL);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>    <span class="comment">/* generate filename */</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>    <span class="keywordtype">char</span> newfilepath[PATH_MAX];</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>    strftime(newfilepath, <span class="keyword">sizeof</span>(newfilepath), log-&gt;filepathfmt,</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>             localtime(&amp;nowtime));</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>    <span class="comment">/* open or re-open log file */</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>    <span class="keywordflow">if</span> (log-&gt;fp == NULL) {</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>        log-&gt;fp = fopen(newfilepath, <span class="stringliteral">&quot;a&quot;</span>);</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>        <span class="keywordflow">if</span> (log-&gt;fp == NULL) {</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>            DEBUG(<span class="stringliteral">&quot;_real_open: Can&#39;t open log file &#39;%s&#39;.&quot;</span>, newfilepath);</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>        }</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span> </div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>        <span class="keywordflow">if</span> (log-&gt;mode != 0)</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>            fchmod(fileno(log-&gt;fp), log-&gt;mode);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>        <a class="code hl_function" href="qstring_8c.html#a24dcde4b707ed664b3962e1bf400de0f">qstrcpy</a>(log-&gt;filepath, <span class="keyword">sizeof</span>(log-&gt;filepath), newfilepath);</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(log-&gt;filepath, newfilepath)) {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>        <span class="comment">/* have opened stream, only reopen if new filename is different with</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="comment">         existing one */</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>        FILE *newfp = fopen(newfilepath, <span class="stringliteral">&quot;a&quot;</span>);</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>        <span class="keywordflow">if</span> (newfp != NULL) {</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>            <span class="keywordflow">if</span> (log-&gt;mode != 0)</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>                fchmod(fileno(newfp), log-&gt;mode);</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>            fclose(log-&gt;fp);</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>            log-&gt;fp = newfp;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>            <a class="code hl_function" href="qstring_8c.html#a24dcde4b707ed664b3962e1bf400de0f">qstrcpy</a>(log-&gt;filepath, <span class="keyword">sizeof</span>(log-&gt;filepath), newfilepath);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>            DEBUG(<span class="stringliteral">&quot;_real_open: Can&#39;t open log file &#39;%s&#39; for rotating.&quot;</span>,</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>                    newfilepath);</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>        }</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>        DEBUG(<span class="stringliteral">&quot;_real_open: skip re-opening log file.&quot;</span>);</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>    }</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span> </div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>    <span class="comment">/* set next rotate time */</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>    <span class="keywordflow">if</span> (log-&gt;rotateinterval &gt; 0) {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>        time_t ct = time(NULL);</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>        time_t dt = ct - mktime(gmtime(&amp;ct));</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span>        log-&gt;nextrotate = (((ct + dt) / log-&gt;rotateinterval) + 1)</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>                * log-&gt;rotateinterval - dt;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>        log-&gt;nextrotate = 0;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    }</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>}</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span> </div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span> </div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="preprocessor">#endif </span><span class="comment">/* DISABLE_QLOG */</span><span class="preprocessor"></span></div>
<div class="ttc" id="aqlog_8c_html_a0f1c08e4e0616731b8c5be87a8752f72"><div class="ttname"><a href="qlog_8c.html#a0f1c08e4e0616731b8c5be87a8752f72">writef</a></div><div class="ttdeci">static bool writef(qlog_t *log, const char *format,...)</div><div class="ttdoc">qlog-&gt;writef(): Log messages</div><div class="ttdef"><b>Definition</b> <a href="qlog_8c_source.html#l00199">qlog.c:199</a></div></div>
<div class="ttc" id="aqlog_8c_html_a1d9678a766dbbe0cf4863296588a70ce"><div class="ttname"><a href="qlog_8c.html#a1d9678a766dbbe0cf4863296588a70ce">write_</a></div><div class="ttdeci">static bool write_(qlog_t *log, const char *str)</div><div class="ttdoc">qlog-&gt;write(): Log messages</div><div class="ttdef"><b>Definition</b> <a href="qlog_8c_source.html#l00160">qlog.c:160</a></div></div>
<div class="ttc" id="aqlog_8c_html_a3c66d4096cbaac34db4659e04a0d6335"><div class="ttname"><a href="qlog_8c.html#a3c66d4096cbaac34db4659e04a0d6335">duplicate</a></div><div class="ttdeci">static bool duplicate(qlog_t *log, FILE *outfp, bool flush)</div><div class="ttdoc">qlog-&gt;duplicate(): Duplicate log string into other stream</div><div class="ttdef"><b>Definition</b> <a href="qlog_8c_source.html#l00230">qlog.c:230</a></div></div>
<div class="ttc" id="aqlog_8c_html_a58ed43ff476576586b46c4f6744f1fd2"><div class="ttname"><a href="qlog_8c.html#a58ed43ff476576586b46c4f6744f1fd2">free_</a></div><div class="ttdeci">static void free_(qlog_t *log)</div><div class="ttdoc">qlog-&gt;free(): Close ratating-log file &amp; de-allocate resources</div><div class="ttdef"><b>Definition</b> <a href="qlog_8c_source.html#l00269">qlog.c:269</a></div></div>
<div class="ttc" id="aqlog_8c_html_a9753872b3edbc89389d22688fdc0afc2"><div class="ttname"><a href="qlog_8c.html#a9753872b3edbc89389d22688fdc0afc2">flush_</a></div><div class="ttdeci">static bool flush_(qlog_t *log)</div><div class="ttdoc">qlog-&gt;flush(): Flush buffered log</div><div class="ttdef"><b>Definition</b> <a href="qlog_8c_source.html#l00249">qlog.c:249</a></div></div>
<div class="ttc" id="aqlog_8c_html_ad58c2d6cf7daa2976934150e69c83498"><div class="ttname"><a href="qlog_8c.html#ad58c2d6cf7daa2976934150e69c83498">qlog</a></div><div class="ttdeci">qlog_t * qlog(const char *filepathfmt, mode_t mode, int rotateinterval, int options)</div><div class="ttdoc">Open ratating-log file.</div><div class="ttdef"><b>Definition</b> <a href="qlog_8c_source.html#l00105">qlog.c:105</a></div></div>
<div class="ttc" id="aqstring_8c_html_a24dcde4b707ed664b3962e1bf400de0f"><div class="ttname"><a href="qstring_8c.html#a24dcde4b707ed664b3962e1bf400de0f">qstrcpy</a></div><div class="ttdeci">char * qstrcpy(char *dst, size_t size, const char *src)</div><div class="ttdoc">Copy src string to dst.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00325">qstring.c:325</a></div></div>
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